Compare 39 vs 40

Property3940
Typesemiprimecomposite number
Unique factors22
Total factors24
Prime factorization31 × 13123 × 51
Prime factorization3 × 132 × 2 × 2 × 5
Divisors count48
Divisors1, 3, 13, 391, 2, 4, 5, 8, 10, 20, 40
Number of properties10
Semiprimes15th 
Roman numberalsXXXIXXL
Base 210011121010002
Base 31110311113
Base 421342204
Base 512451305
Base 610361046
Base 7547557
Base 8478508
Base 9439449
Base 1039104010
Base 1136113711
Base 1233123412
Base 1330133113
Base 142b142c14
Base 1529152a15
Base 1627162816
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